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74AC273 데이터시트(PDF) 5 Page - STMicroelectronics

부품명 74AC273
상세설명  OCTAL D-TYPE FLIP FLOP WITH CLEAR
PDF  11 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74AC273 데이터시트(HTML) 5 Page - STMicroelectronics

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74AC273
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AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr =tf = 3ns)
(*) Voltage range is 3.3V
± 0.3V
(**) Voltage range is 5.0V
± 0.5V
CAPACITIVE CHARACTERISTICS
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) =CPD xVCC xfIN +ICC/8 (per circuit)
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA =25°C
-40 to 85
°C -55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tPLH tPHL Propagation Delay
Time
CLOCK to Q
3.3(*)
4.0
7.5
12.5
3.0
14.0
3.0
16.0
ns
5.0(**)
3.0
5.0
9.0
2.5
10.0
2.5
11.0
tPHL
Propagation Delay
Time
CLEAR to Q
3.3(*)
4.0
8.5
13.0
3.0
14.0
3.0
16.0
ns
5.0(**)
3.0
6.5
10.0
2.5
11.0
2.5
12.0
tW
CLEAR Pulse
Width, LOW
3.3(*)
5.5
6.0
6.0
ns
5.0(**)
4.0
4.5
4.5
tW
CLOCK Pulse
Width
3.3(*)
5.5
6.0
6.0
ns
5.0(**)
4.0
4.5
4.5
ts
Setup Time D to
CLOCK, HIGH or
LOW
3.3(*)
5.5
6.0
6.0
ns
5.0(**)
4.0
4.5
4.5
th
Hold Time D to
CLOCK, HIGH or
LOW
3.3(*)
1.5
1.5
1.5
ns
5.0(**)
1.5
1.5
1.5
tREM
Recovery Time
CLEAR to CLOCK
3.3(*)
4.0
4.5
4.5
ns
5.0(**)
3.0
3.0
3.0
fMAX
Maximum Clock
Frequency
3.3(*)
90
75
75
MHz
5.0(**)
140
250
125
125
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA =25°C
-40 to 85
°C -55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
CIN
Input Capacitance
5.0
4
pF
CPD
Power Dissipation
Capacitance (note
1)
5.0
fIN = 10MHz
32
pF



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